relative-luminance
Calculate the relative luminance of an RGB triplet color.
Ecosystems:
JavaScript
relative-luminance
npm install relative-luminance
Calculate the relative luminance of an RGB triplet color.
Note that as of 1.0.0, this module doesn't directly export a function if you're using
CommonJS: use the default export, like:
var luminance = require('relative-luminance').default;
API
Table of Contents
relativeLuminance
Given a 3-element array of R, G, B varying from 0 to 255, return the luminance as a number from 0 to 1.
Parameters
Examples
var luminance = require('relative-luminance');
var black_lum = luminance([0, 0, 0]); // 0
Returns number luminance, between 0 and 1
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